netdev - Re: [patch net-next v3 5/9] genetlink: implement release callback and free sk_user

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Message-ID: <ZV5GikewsOpDqHwK@nanopsycho>
Date: Wed, 22 Nov 2023 19:20:58 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
	edumazet@...gle.com, jacob.e.keller@...el.com, jhs@...atatu.com,
	johannes@...solutions.net, andriy.shevchenko@...ux.intel.com,
	amritha.nambiar@...el.com, sdf@...gle.com, horms@...nel.org
Subject: Re: [patch net-next v3 5/9] genetlink: implement release callback
 and free sk_user_data there

Wed, Nov 22, 2023 at 06:08:20PM CET, kuba@...nel.org wrote:
>On Wed, 22 Nov 2023 10:29:44 +0100 Jiri Pirko wrote:
>> >If you're doing it centrally, please put the state as a new field in
>> >the netlink socket. sk_user_data is for the user.  
>> 
>> I planned to use sk_user_data. What do you mean it is for the user?
>> I see it is already used for similar usecase by connector for example:
>
>I'm pretty sure I complained when it was being added. Long story.
>AFAIU user as in if the socket is opened by a kernel module, the kernel
>module is the user. There's no need to use this field for the
>implementation since the implementation can simply extend its 
>own structure to add a properly typed field.

Okay, excuse me, as always I'm slow here. What structure are
you refering to?

Thanks!